//SMG12232A2標(biāo)準(zhǔn)圖形點(diǎn)陣型液晶顯示模塊的演示程序[C51編程語言][MCS51總線接口方式] //應(yīng)用產(chǎn)品: SMG12232A2標(biāo)準(zhǔn)圖形點(diǎn)陣型液晶顯示模塊 // 本演示程序適用于SMG12232A2液晶顯示模塊與MCS51系列單片機(jī)采用MCS51總線的 //硬件連線方式。 // 本演示程序包括SED1520A兼容芯片的MCS51總線接口子程序集,SED1520A兼容芯片的12232 //液晶顯示模塊的基本子程序,12232系列繪圖子程序集,12232系列圖形子程序集,12232系列 //精簡(jiǎn)中英文字庫子程序集,以及SMG12232A2系列標(biāo)準(zhǔn)圖形點(diǎn)陣型液晶顯示的演示子程序. // 本演示的內(nèi)容為,在122列X32行的點(diǎn)陣液晶顯示屏上清屏,圖片演示,英文字符串演示, //中文字符串演示,反白顯示字符串,繪制矩形,寫點(diǎn),繪制直線,全屏顯示. //------------------------------------------------------------------------------- //創(chuàng)建日期: 2009.09.29 //軟件環(huán)境: VW For Windows //硬件環(huán)境: AT89C52 MCU,MCS-51系列 MCU,etc. //創(chuàng)建人: 褚建軍(chujianjun@sunman.cn),譚超(tanchao@sunman.cn). //技術(shù)支持: 電話(0731-84167806,84167807),傳真(0731-84167807),網(wǎng)址(www.sunman.cn) //版權(quán)信息: 長(zhǎng)沙太陽人電子有限公司版權(quán)所有,轉(zhuǎn)載請(qǐng)指明出處. //參考網(wǎng)頁: http:/www.sunman.cn/lcm/product/SMG12232A2.html //------------------------------------------------------------------------------- #include <reg51.h> #include <intrins.h> //以下為演示程序的函數(shù)定義 void exsample(void); //演示程序 void exdelay(void); //演示延時(shí)子程序 void putchar(unsigned int c); //定位寫字符子程序 void putstr(unsigned char code *s); //顯示字符串子程序,字符碼為0時(shí)退出 unsigned char code *getchinesecodepos(unsigned int ac); unsigned char code *getenglishcodepos(unsigned char ac); void putimage(unsigned char code *s); //顯示圖形子程序 void putsizeimage(unsigned char XSIZE,unsigned char YSIZE,unsigned char code *s);//顯示指定大小的圖形子程序 void point(bit b); void line(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b); void lineto(unsigned char x1,unsigned char y1,bit b);//繪制(XPOS,YPOS)-(X1,Y1)的直線 void rect(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b); void lcdfill(unsigned char d); //整屏顯示d代表的字節(jié)數(shù)據(jù)子程序 void lcdpos(void); //設(shè)置坐標(biāo)點(diǎn)(XPOS,YPOS)內(nèi)部RAM地址的子程序 void lcdreset(void); //液晶顯示控制器初始化子程序 void setlcdvoltage(unsigned char vol); //LCD電壓設(shè)置 void lcdwd(unsigned char d); //送圖形數(shù)據(jù)子程序 unsigned char lcdrd(void); //讀圖形數(shù)據(jù)子程序 void lcdwc(unsigned char c); //送指令子程序 void lcdwaitidle(void); //忙檢測(cè)子程序void lcdwd1(unsigned char d); //送圖形數(shù)據(jù)子程序 unsigned char lcdrd1(void); //讀圖形數(shù)據(jù)子程序 void lcdwc1(unsigned char c); //送指令子程序 void lcdwaitidle1(void); //忙檢測(cè)子程序 void lcdwd2(unsigned char d); //送圖形數(shù)據(jù)子程序 unsigned char lcdrd2(void); //讀圖形數(shù)據(jù)子程序 void lcdwc2(unsigned char c); //送指令子程序 void lcdwaitidle2(void); //忙檢測(cè)子程序 //------------------------------------------------------------------------------- //SMG12232A2產(chǎn)品引腳說明及演示連線 //PIN1: VSS [電源地] //PIN2: VDD [電源正極] //PIN3: Vo [LCD偏壓輸入] //PIN4: A0 [數(shù)據(jù)/命令選擇端 1:數(shù)據(jù) 0:命令] //PIN5: CS1 [片選1信號(hào)輸入 低有效] //PIN6: CS2 [片選2信號(hào)輸入 低有效] //PIN7: NC [空腳 不要連接] //PIN8: WR [讀信號(hào)輸入 低有效] //PIN9: RD [寫信號(hào)輸入 低有效] //PIN10:DB0 [Data I/O] //PIN11:DB1 [Data I/O] //PIN12:DB2 [Data I/O] //PIN13:DB3 [Data I/O] //PIN14:DB4 [Data I/O] //PIN15:DB5 [Data I/O] //PIN16:DB6 [Data I/O] //PIN17:DB7 [Data I/O] //PIN18:RST [復(fù)位信號(hào)輸入(H：復(fù)位,L:正常工作)] //PIN19:BLA [背光源正極] //PIN20:BLK [背光源負(fù)極] //注:8031的晶振頻率為12MHz. //請(qǐng)參見http://download.sunman.cn/lcm/product/1/SMG12232A2.pdf //------------------------------------------------------------------------------- //以下為產(chǎn)品接口引腳在演示程序中的預(yù)定義 //用戶在編寫應(yīng)用程序時(shí),需按自己的實(shí)際硬件連線來重新定義 //以下CS(P2.7)=1 unsigned char xdata LCDC1REG _at_ 0x04FF;//地址CS2(P2.2)=1,CS1(P2.1)=0,A0(P2.0)=0 unsigned char xdata LCDC2REG _at_ 0x02FF;//地址CS2(P2.2)=0,CS1(P2.1)=1,A0(P2.0)=0 unsigned char xdata LCDD1REG _at_ 0x05FF;//地址CS2(P2.2)=1,CS1(P2.1)=0,A0(P2.0)=1 unsigned char xdata LCDD2REG _at_ 0x03FF;//地址CS2(P2.2)=0,CS1(P2.1)=1,A0(P2.0)=1 //------------------------------------------------------------------------------- //以下XPOS,YPOS變量用于指示當(dāng)前操作點(diǎn)的位置的預(yù)定義 //用戶在編寫應(yīng)用程序時(shí),需按自己的實(shí)際軟件程序需要來重新定義 unsigned char XPOS; //列方向LCD點(diǎn)陣位置指針 unsigned char YPOS; //行方向LCD點(diǎn)陣位置指針 bit CharImageReverse; //字符及圖形的反顯控制,0(正常顯示),1(反顯)#define XDOTS 122 //圖形空間X方向大小 #define YDOTS 32 //圖形空間X方向大小 //------------------------------------------------------------------------------- //以下為精簡(jiǎn)版中英文字庫 //實(shí)際使用時(shí)請(qǐng)包含由Sunman精簡(jiǎn)版中英文字符庫代碼生成器.exe自動(dòng)生成的charlib.c文 //文件來替換該部分 #define ENGLISHCHARNUMBER 5 //精簡(jiǎn)版英文字符庫中的英文字符的個(gè)數(shù) #define CHINESECHARNUMBER 5 //精簡(jiǎn)版中文字符庫中的中文字符的個(gè)數(shù) #define ENGLISHCHARSIZE 8 //英文字符X方向顯示點(diǎn)的個(gè)數(shù) #define CHINESECHARSIZE 16 //中文字符X方向及中英文字符Y方向顯示點(diǎn)的個(gè)數(shù) #define ENGLISHCHARDOTSIZE 16 //單個(gè)英文字符點(diǎn)陣的字節(jié)數(shù) #define CHINESECHARDOTSIZE 32 //單個(gè)中文字符點(diǎn)陣的字節(jié)數(shù)unsigned int code EnglishCode[]={ 0x41, //字符001:[A] 0x4d, //字符002:[M] 0x4e, //字符003:[N] 0x53, //字符004:[S] 0x55 //字符005:[U] };unsigned int code ChineseCode[]={ 0xb5e7, //字符001:[電] 0xc8cb, //字符002:[人] 0xccab, //字符003:[太] 0xd1f4, //字符004:[陽] 0xd7d3 //字符005:[子] };unsigned char code EnglishCharDot[]={ 0x00,0x20,0x00,0x3c,0xc0,0x23,0x38,0x02, //字符001:[A] 0xe0,0x02,0x00,0x27,0x00,0x38,0x00,0x00, 0x08,0x20,0xf8,0x3f,0xf8,0x00,0x00,0x3f, //字符002:[M] 0xf8,0x00,0xf8,0x3f,0x08,0x20,0x00,0x00, 0x08,0x20,0xf8,0x3f,0x30,0x20,0xc0,0x00, //字符003:[N] 0x00,0x07,0x08,0x18,0xf8,0x3f,0x00,0x00, 0x00,0x00,0x70,0x38,0x88,0x20,0x08,0x21, //字符004:[S] 0x08,0x21,0x08,0x22,0x38,0x1c,0x00,0x00, 0x08,0x00,0xf8,0x1f,0x08,0x20,0x00,0x20, //字符005:[U] 0x00,0x20,0x08,0x20,0xf8,0x1f,0x00,0x00 };unsigned char code ChineseCharDot[]={ 0x00,0x00,0x00,0x00,0xf8,0x0f,0x48,0x04, //字符001:[電] 0x48,0x04,0x48,0x04,0x48,0x04,0xff,0x3f, 0x48,0x44,0x48,0x44,0x48,0x44,0x48,0x44, 0xf8,0x4f,0x00,0x40,0x00,0x70,0x00,0x00, 0x00,0x00,0x00,0x40,0x00,0x20,0x00,0x10, //字符002:[人] 0x00,0x0c,0x00,0x03,0xc0,0x00,0x3f,0x00, 0xc2,0x01,0x00,0x06,0x00,0x0c,0x00,0x18, 0x00,0x30,0x00,0x60,0x00,0x20,0x00,0x00, 0x00,0x00,0x10,0x80,0x10,0x40,0x10,0x20, //字符003:[太] 0x10,0x10,0x10,0x0c,0x10,0x03,0xff,0x08, 0x10,0x71,0x10,0x22,0x10,0x04,0x10,0x18, 0x10,0x30,0x10,0xe0,0x10,0x40,0x00,0x00, 0x00,0x00,0xfe,0xff,0x02,0x04,0x22,0x08, //字符004:[陽] 0x5a,0x04,0x86,0x03,0x00,0x00,0xfe,0x3f, 0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10, 0x42,0x10,0xfe,0x3f,0x00,0x00,0x00,0x00, 0x00,0x01,0x00,0x01,0x02,0x01,0x02,0x01, //字符005:[子] 0x02,0x01,0x02,0x41,0x02,0x81,0xe2,0x7f, 0x12,0x01,0x0a,0x01,0x06,0x01,0x02,0x01, 0x00,0x01,0x80,0x01,0x00,0x01,0x00,0x00 }; //------------------------------------------------------------------------------- //以下為圖片庫點(diǎn)陣代碼 //實(shí)際使用時(shí)請(qǐng)包含由SUNMAN圖形點(diǎn)陣代碼生成器.EXE自動(dòng)生成的imagelib.c文件來替換該 //部分 unsigned char code Img_sunman_32[]={32,32, 0x00,0xf0,0x0f,0x00, 0x00,0xfe,0x7f,0x00, 0x80,0x0f,0xf6,0x01, 0xc0,0x03,0xc6,0x03, 0xe0,0x70,0x0e,0x07, 0x70,0x7c,0x3e,0x0e, 0x38,0x7f,0xfe,0x1c, 0x9c,0x7f,0xfe,0x39, 0xcc,0x7f,0xfe,0x33, 0xce,0x7f,0xfe,0x73, 0xe6,0x7f,0xfe,0x67, 0xe6,0x07,0xe0,0x67, 0xf3,0x07,0xe0,0xcf, 0xf3,0xcf,0xff,0xcf, 0x73,0x9e,0xff,0xcf, 0x33,0x3c,0xff,0xcf, 0x33,0x3c,0xff,0xcf, 0x73,0x9e,0xff,0xcf, 0xf3,0xcf,0xff,0xcf, 0xf3,0x07,0xe0,0xcf, 0xe6,0x07,0xe0,0x67, 0xe6,0x7f,0xfe,0x67, 0xce,0x7f,0xfe,0x73, 0xcc,0x7f,0xfe,0x33, 0x9c,0x7f,0xfe,0x39, 0x38,0x7f,0xfe,0x1c, 0x70,0x7c,0x3e,0x0e, 0xe0,0x70,0x0e,0x07, 0xc0,0x63,0xc0,0x03, 0x80,0x6f,0xf0,0x01, 0x00,0xfe,0x7f,0x00, 0x00,0xf0,0x0f,0x00 }; //-------------------------------------------------------------------------------void main(void) { while(1){ lcdreset(); //初始化液晶顯示控制器exsample(); //演示程序} } void exsample(void) //演示程序 { //0.演示前的準(zhǔn)備,將LCD液晶顯示全部清空CharImageReverse=0; //反顯關(guān)閉lcdfill(0); //清屏//1.圖片測(cè)試: 在(5,0)位置顯示32點(diǎn)陣SUNMAN圖標(biāo)XPOS=5;YPOS=0;putimage(Img_sunman_32); //寫數(shù)據(jù)到當(dāng)前LCDRAM地址中exdelay(); //延時(shí)約600mS//2.字符串測(cè)試: 在(53,0)位置顯示"SUNMAN"字符串.XPOS=53;YPOS=0;putstr("SUNMAN");exdelay(); //延時(shí)約600mS//3.字符串測(cè)試: 在(37,16)位置顯示"太陽人電子"字符串.XPOS=37;YPOS=16;putstr("太陽人電子");exdelay(); //延時(shí)約600mS//4.反顯測(cè)試: 在(37,16)位置反顯"太陽人電子"字符串.XPOS=37;YPOS=16;CharImageReverse=1;putstr("太陽人電子");CharImageReverse=0;exdelay(); //延時(shí)約600mS//5.繪圖測(cè)試: RECT(6,0)-(116,15),畫矩形.lcdfill(0); //清屏XPOS=37;YPOS=0;putstr("SUNMAN");rect(6,0,116,15,1);exdelay(); //延時(shí)約600mS//6.繪圖測(cè)試: POINT(6,18),畫點(diǎn).XPOS=6;YPOS=18;point(1);exdelay(); //延時(shí)約600mS//7.繪圖測(cè)試: LINE(6,18)-(61,30),畫線.line(6,18,61,30,1);exdelay(); //延時(shí)約600mS//8.繪圖測(cè)試: lineto(116,18),畫線.lineto(116,18,1);exdelay(); //延時(shí)約600mS//9.繪圖測(cè)試: lineto(6,18),畫線.lineto(6,18,1);exdelay(); //延時(shí)約600mS//13.全屏測(cè)試: 所有坐標(biāo)點(diǎn)全部顯示.lcdfill(0xff); //全顯exdelay(); //延時(shí)約600mS} void exdelay(void) //演示延時(shí)子程序 { unsigned char i,j,k; //延時(shí)約600mSfor(i=0;i<60;i++)for(j=0;j<64;j++)for(k=0;k<51;k++); } //------------------------------------------------------------------------------- //以下putchar為字符對(duì)象的基本子程序,putstr為字符對(duì)象的擴(kuò)充子程序,getchinesecodepos, //getenglishcodepos為字符對(duì)象的輔助子程序. //------------------------------------------------------------------------------- //子程序名稱:void putchar(unsigned int c). //功能:在(XPOS,YPOS)位置寫單個(gè)字符點(diǎn)陣,若c>128 表示為中文字符,否則為西文字符 //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void putchar(unsigned int c) //定位寫字符子程序 { if(c>128)putsizeimage(CHINESECHARSIZE,CHINESECHARSIZE,getchinesecodepos(c));elseputsizeimage(ENGLISHCHARSIZE,CHINESECHARSIZE,getenglishcodepos(c)); } //------------------------------------------------------------------------------- //子程序名稱:void putstr(unsigned char code *s). //功能:寫字符串點(diǎn)陣,若*s=0 表示字符串結(jié)束. //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void putstr(unsigned char code *s) //顯示字符串子程序,字符碼為0時(shí)退出 { unsigned int c;while(1){ c=*s;s++;if(c==0) break;if(c<128)putchar(c);else{ putchar(c*256+*s);s++;}} } //------------------------------------------------------------------------------- //子程序名稱:unsigned char code *getchinesecodepos(unsigned char ac). //功能:根據(jù)當(dāng)前中文字符碼查表后計(jì)算得到當(dāng)前中文字符碼的字庫點(diǎn)陣位置. //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- unsigned char code *getchinesecodepos(unsigned int ac) { unsigned int min,max,mid,midc;min=0;max=CHINESECHARNUMBER-1;while(1){ if(max-min<2){ if(ChineseCode[min]==ac)mid=min;else if(ChineseCode[max]==ac)mid=max;elsemid=0;break;}mid=(max+min)/2;midc=ChineseCode[mid];if(midc==ac)break;else if(midc>ac)max=mid-1;elsemin=mid+1;}return ChineseCharDot+mid*CHINESECHARDOTSIZE; } //------------------------------------------------------------------------------- //子程序名稱:unsigned char code *getenglishcodepos(unsigned char ac). //功能:根據(jù)當(dāng)前ASCII字符碼查表后計(jì)算得到當(dāng)前ASCII字符碼的字庫點(diǎn)陣位置. //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- unsigned char code *getenglishcodepos(unsigned char ac) { unsigned char min,max,mid,midc;min=0;max=ENGLISHCHARNUMBER-1;while(1){ if(max-min<2){ if(EnglishCode[min]==ac)mid=min;else if(EnglishCode[max]==ac)mid=max;elsemid=0;break;}mid=(max+min)/2;midc=EnglishCode[mid];if(midc==ac)break;else if(midc>ac)max=mid-1;elsemin=mid+1;}return EnglishCharDot+mid*ENGLISHCHARDOTSIZE; } //------------------------------------------------------------------------------- //以下putsizeimage為圖形對(duì)象的基本子程序,putimage為圖形對(duì)象的擴(kuò)充子程序 //------------------------------------------------------------------------------- //子程序名稱:void putsizeimage(unsigned char XSIZE,unsigned YSIZE, // unsigned char code *s) //功能:在(XPOS,YPOS)位置繪制XSIZE列及YISZE行點(diǎn)陣的圖形*S. //修改日期:2009.8.31 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void putsizeimage(unsigned char XSIZE,unsigned char YSIZE,unsigned char code *s) { unsigned char k,lx,ly,a1,a2,y,Lcd_Mask;k=YPOS&0x7;YSIZE+=k;y=YPOS;s--;for(lx=0;lx<XSIZE;lx++,XPOS++){ for(YPOS=y,ly=k;ly<YSIZE;){ unsigned char p;a1=*s;s++;a2=*s;if(CharImageReverse){ a1=~a1;a2=~a2;}for(p=0;p<k;p++){ a2>>=1;if((a1&0x1)==1)a2+=0x80;a1>>=1;}if((k==0) && (YSIZE<ly+8)){ lcdpos();ly+=8;YPOS+=8;}else{ lcdpos();a1=lcdrd();lcdpos();ly+=8;YPOS+=8;Lcd_Mask=0xff;p=YSIZE&0x7;while(p>0){ Lcd_Mask>>=1;YPOS--;p--;}p=0xff;while(YSIZE<ly){ ly--;YPOS--;p<<=1;}Lcd_Mask&=p;a2&=Lcd_Mask;a2|=a1&(~Lcd_Mask);}lcdwd(a2);}if((k!=0) && (YSIZE&0x7 != 0) && (k >= YSIZE&0x7)) s--;}YPOS=y; } //------------------------------------------------------------------------------- //子程序名稱:void putimage(unsigned char code *s). //功能:在(XPOS,YPOS)位置繪制XSIZE[*s]列及YISZE[*(s+1)]行點(diǎn)陣的圖形[*(s+2)]. //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void putimage(unsigned char code *s) //顯示圖形子程序 { unsigned char XSIZE,YSIZE;XSIZE=*s;s++;YSIZE=*s;s++;putsizeimage(XSIZE,YSIZE,s); } //------------------------------------------------------------------------------- //以下point為繪圖操作的基本子程序,line,lineto,rect為繪圖操作的擴(kuò)充子程序. //------------------------------------------------------------------------------- //子程序名稱:void point(bit b). //功能:按b的數(shù)據(jù)在(XPOS,YPOS)位置繪制點(diǎn). //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void point(bit b) { unsigned char i,Lcd_Mask,j;Lcd_Mask=0x01;i=YPOS&0x7;while(i>0){ Lcd_Mask<<=1;i--;}lcdpos();j=lcdrd();lcdpos();if(b)lcdwd(j|Lcd_Mask);elselcdwd(j&(~Lcd_Mask)); } //------------------------------------------------------------------------------- //子程序名稱:void line(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b) //功能:按b的數(shù)據(jù)繪制(x0,y0)-(x1,y1)的直線 //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void line(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b) { unsigned char dx,dy;unsigned int dk;XPOS=x0;YPOS=y0;point(b);dx=(x1>=x0)?x1-x0:x0-x1;dy=(y1>=y0)?y1-y0:y0-y1;if(dx==dy){ while(XPOS!=x1){ if(x1>x0) XPOS++;else XPOS--;if(y1>y0) YPOS++;else YPOS--;point(b);}}else if (dx>dy){ dk=dy;dy=0;while(XPOS!=x1){ if(x1>x0) XPOS++;else XPOS--;dy++;if(y1>y0) YPOS=y0+(dk*dy+dx/2)/dx;else YPOS=y0-(dk*dy+dx/2)/dx;point(b);}}else{ dk=dx;dx=0;while(YPOS!=y1){ if(y1>y0) YPOS++;else YPOS--;dx++;if(x1>x0) XPOS=x0+(dk*dx+dy/2)/dy;else XPOS=x0-(dk*dx+dy/2)/dy;point(b);}} } //------------------------------------------------------------------------------- //子程序名稱:void lineto(unsigned char x1,unsigned char y1,bit b) //功能:按b的數(shù)據(jù)繪制(XPOS,YPOS)-(x1,y1)的直線 //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lineto(unsigned char x1,unsigned char y1,bit b)//繪制(XPOS,YPOS)-(X1,Y1)的直線 { line(XPOS,YPOS,x1,y1,b); } //------------------------------------------------------------------------------- //子程序名稱:void rect(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b) //功能:按b的數(shù)據(jù)繪制(x0,y0)-(x1,y1)的矩形 //修改日期:2009.8.18 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void rect(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b) { line(x0,y0,x1,y0,b);line(x1,y0,x1,y1,b);line(x1,y1,x0,y1,b);line(x0,y1,x0,y0,b); } //------------------------------------------------------------------------------- //以下lcdfill,lcdpos,lcdreset為SED1520A型硬件接口的12232液晶顯示模塊的基本子程序 //------------------------------------------------------------------------------- //子程序名稱:void lcdfill(unsigned char d). //功能:整屏顯示d表示的字節(jié)數(shù)據(jù). //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdfill(unsigned char d) //整屏顯示d代表的字節(jié)數(shù)據(jù)子程序 { unsigned char j;for(YPOS=0;YPOS<32;YPOS+=8) //8頁{ XPOS=0;lcdpos();for(j=0;j<61;j++) //61列l(wèi)cdwd1(d); //送圖形數(shù)據(jù)XPOS=61;lcdpos();for(j=0;j<61;j++) //61列l(wèi)cdwd2(d); //送圖形數(shù)據(jù)}XPOS=0;YPOS=0; } //------------------------------------------------------------------------------- //子程序名稱:void lcdpos(void). //功能:設(shè)置坐標(biāo)點(diǎn)(XPOS,YPOS)位置對(duì)應(yīng)的內(nèi)部RAM地址. //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdpos(void) //設(shè)置坐標(biāo)點(diǎn)(XPOS,YPOS)內(nèi)部RAM地址的子程序 {if(XPOS<61){ lcdwc1(0xB8|((YPOS/8)&0x3)); //頁地址設(shè)置lcdwc1(XPOS); //列地址設(shè)置}else{ lcdwc2(0xB8|((YPOS/8)&0x3)); //頁地址設(shè)置lcdwc2(XPOS-61); //列地址設(shè)置} } //------------------------------------------------------------------------------- //子程序名稱:void lcdreset(void) //功能:液晶顯示控制器初始化 //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdreset(void) //液晶顯示控制器初始化子程序 {lcdwc1(0xC0); //設(shè)置顯示初始行l(wèi)cdwc2(0xC0); //設(shè)置顯示初始行l(wèi)cdwc1(0xA0); //設(shè)置列序方向?yàn)檎騦cdwc2(0xA0); //設(shè)置列序方向?yàn)檎騦cdwc1(0xA4); //設(shè)置顯示模式為正常顯示lcdwc2(0xA4); //設(shè)置顯示模式為正常顯示lcdwc1(0xA9); //設(shè)置顯示占空比為1/32lcdwc2(0xA9); //設(shè)置顯示占空比為1/32lcdwc1(0xAF); //開顯示lcdwc2(0xAF); //開顯示 } //------------------------------------------------------------------------------- //以下lcdwc1,lcdwc2,lcdwd,lcdrd為MCS51總線接口的SED1520A液晶顯示控制器的基本 //子程序,lcdwd1,lcdwd2,lcdrd1,lcdrd2,lcdwaitidle1,lcdwaitidle2為內(nèi)部子程序. //------------------------------------------------------------------------------- //子程序名稱:unsigned char lcdrd(void). //功能:從液晶顯示控制器中讀圖形數(shù)據(jù). //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- unsigned char lcdrd(void) {unsigned char d;if(XPOS<61){ d=lcdrd1();d=lcdrd1();}else{ d=lcdrd2();d=lcdrd2();}return d; } //------------------------------------------------------------------------------- //子程序名稱:void lcdwd(unsigned char d). //功能:向液晶顯示控制器寫圖形數(shù)據(jù). //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdwd(unsigned char d) { if(XPOS<61)lcdwd1(d);elselcdwd2(d); } //------------------------------------------------------------------------------- //子程序名稱:void lcdwd1(unsigned char d). //功能:向液晶顯示控制器1寫圖形數(shù)據(jù). //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdwd1(unsigned char d) { lcdwaitidle1();LCDD1REG=d; } //------------------------------------------------------------------------------- //子程序名稱:void lcdwd2(unsigned char d). //功能:向液晶顯示控制器2寫圖形數(shù)據(jù). //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdwd2(unsigned char d) { lcdwaitidle2();LCDD2REG=d; } //------------------------------------------------------------------------------- //子程序名稱:unsigned char lcdrd1(void). //功能:從液晶顯示控制器1中讀圖形數(shù)據(jù). //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- unsigned char lcdrd1(void) //讀圖形數(shù)據(jù)子程序 {lcdwaitidle1(); //檢測(cè)液晶顯示控制器是否空閑return LCDD1REG; } //------------------------------------------------------------------------------- //子程序名稱:unsigned char lcdrd2(void). //功能:從液晶顯示控制器2中讀圖形數(shù)據(jù). //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- unsigned char lcdrd2(void) //讀圖形數(shù)據(jù)子程序 {lcdwaitidle2(); //檢測(cè)液晶顯示控制器是否空閑return LCDD2REG; } //------------------------------------------------------------------------------- //子程序名稱:lcdwc1(unsigned char c). //功能:向液晶顯示控制器1送指令. //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdwc1(unsigned char c) //向液晶顯示控制器1送指令 { lcdwaitidle1();LCDC1REG=c; } //------------------------------------------------------------------------------- //子程序名稱:lcdwc2(unsigned char c). //功能:向液晶顯示控制器2送指令. //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdwc2(unsigned char c) //向液晶顯示控制器2送指令 { lcdwaitidle2();LCDC2REG=c; } //------------------------------------------------------------------------------- //子程序名稱:voidlcdwaitidle1(void). //功能:忙檢測(cè),在對(duì)液晶顯示控制器操作的每一條指令之前,需檢測(cè)液晶顯示器是否空閑. //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdwaitidle1(void) //控制器1忙檢測(cè)子程序 { unsigned char i;for(i=0;i<20;i++) //if( (LCDC1REG&0x80) != 0x80 ) break; //D7=0 空閑退出 } //------------------------------------------------------------------------------- //子程序名稱:voidlcdwaitidle2(void). //功能:忙檢測(cè),在對(duì)液晶顯示控制器操作的每一條指令之前,需檢測(cè)液晶顯示器是否空閑. //修改日期:2009.09.29 //修改人:chujianjun@sunman.cn,tanchao@sunman.cn //------------------------------------------------------------------------------- void lcdwaitidle2(void) //控制器2忙檢測(cè)子程序 { unsigned char i;for(i=0;i<20;i++) //if( (LCDC2REG&0x80) != 0x80 ) break; //D7=0 空閑退出 }

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